1. Introduction

   • T. J. Mabry
   • H. -D. Behnke

   EditorialNotes Pages: 3 - 4

2. Classical morphological features of centrospermous families

   • Theo Eckardt

   OriginalPaper Pages: 5 - 25

3. Chromosome numbers and differentiation of centrospermous families

   • Friedrich Ehrendorfer

   OriginalPaper Pages: 27 - 30

4. Ultrastructure of sieve-element plastids inCaryophyllales (Centrospermae), evidence for the delimitation and classification of the order

   • H. -Dietmar Behnke

   OriginalPaper Pages: 31 - 54

5. Ultrastructure of pollen exine in centrospermous families

   • John J. Skvarla
   • Joan W. Nowicke

   OriginalPaper Pages: 55 - 78

6. Pigment dichotomy and DNA-RNA hybridization data for centrospermous families

   • Tom J. Mabry

   OriginalPaper Pages: 79 - 94

7. A tabulated survey of some characters of systematic importance in centrospermous families

   • H. -Dietmar Behnke

   OriginalPaper Pages: 95 - 98

8. Closing remarks: Systematics and evolution of centrospermous families

   • Friedrich Ehrendorfer

   OriginalPaper Pages: 99 - 106